Buffering capacitor for diode bridge rectifier with controlled decharging current
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United States of America Patent
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Jan 8, 2019
Grant Date -
Nov 10, 2016
app pub date -
Jan 8, 2015
filing date -
Jan 13, 2014
priority date (Note) -
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Abstract
Arrangements (1) for buffering energy comprise buffer capacitor circuits (10) with one or more buffer capacitors (11), first circuits (20) for guiding charging currents for charging the buffer capacitor circuits (10), and second circuits (30) with current source circuits (31-34) for defining amplitudes of de-charging currents for de-charging the buffer capacitor circuits (10), to better control the de-charging of the buffer capacitor circuits (10). The second circuits (30) may further comprise trigger circuits (51-53) for bringing the current source circuits (31-34) into activated modes, and latch circuits (61-63) for latching the current source circuits (31-34). The arrangements (1) may further comprise smoothing capacitor circuits (40) with one or more smoothing capacitors (41). The buffer capacitor circuits (10) may be coupled serially to the first circuits (20), and the first and second circuits (20, 30) may be coupled in parallel to each other.
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